taking us behind closed doors. what makes the president angriest? >>> and fire danger in southern california. the hottest day ever. so hot, it actually broke the day r city's main thermometer. >>> good morning. we begin this morning with a developing news story, which may be the highest resignation yet of president obama's inner circle. >> obama are getting for rahm emanuel, to say he is stepping down. it could come this friday. no final decision has been made. >> emanuel is a chicago native. and he wants to run for mayor there. his temporary replacement may come on friday. >> his departure would be in the heat of the midterm election campaign. and president obama will be back on the stump again today. >> emily schmidt is in washington with the developing story. good morning, emory. >> reporter: rob and vinita, good morning to you. when barack obama ran for president, in 2008, the lines at his student events usually stretch as far as the eye that can see. that excitement translated into votes. tonight, president obama is going to return to those roo